<template>
    <div class="sidebar">
        <el-menu :default-active="onRoutes" class="el-menu-vertical-demo" theme="dark" unique-opened router>
            <template v-for="item in items">
                <template v-if="item.subs">
                    <el-submenu :index="item.index">
                        <template slot="title"><i :class="item.icon"></i>{{ item.title }}</template>
                        <el-menu-item v-for="(subItem,i) in item.subs" :key="i" :index="subItem.index">{{ subItem.title }}
                        </el-menu-item>
                    </el-submenu>
                </template>
                <template v-else>
                    <el-menu-item :index="item.index">
                        <i :class="item.icon"></i>{{ item.title }}
                    </el-menu-item>
                </template>
            </template>
        </el-menu>
    </div>
</template>

<script>
    export default {
        data() {
            return {
                items: [     
                    {
                        icon: 'el-icon-document',
                        index: 'readme',
                        title: '概览'
                    },               
                    {
                        icon: 'el-icon-star-on',
                        index: 'basetable',
                        title: '用户'
                    },
                    {
                        icon: 'el-icon-menu',
                        index: 'payordertable',
                        title: '订单'
                    },
                    {
                        icon: 'el-icon-picture',
                        index: 'qrcodetable',
                        title: '二维码'
                    },
                    {
                        icon: 'el-icon-d-caret',
                        index: 'leveltable',
                        title: '等级'
                    },
                    {
                        icon: 'el-icon-setting',
                        index: 'configtable',
                        title: '配置'
                    },
                    {
                        icon: 'el-icon-share',
                        index: 'abouttable',
                        title: '关于'
                    },
                    {
                        icon: 'el-icon-date',
                        index: 'noticetable',
                        title: '通知'
                    },
                    {
                        icon: 'el-icon-document',
                        index: 'suggesttable',
                        title: '反馈意见'
                    }
                ]
            }
        },
        computed:{
            onRoutes(){
                return this.$route.path.replace('/','');
            }
        }
    }
</script>

<style scoped>
    .sidebar{
        display: block;
        position: absolute;
        width: 250px;
        left: 0;
        top: 70px;
        bottom:0;
        background: #2E363F;
    }
    .sidebar > ul {
        height:100%;
    }
</style>
<style>
.el-dialog--small {
    width: 500px;
}
table .el-table__expand-column .cell{height:100%}
table .el-table__expand-column .cell .el-table__expand-icon {
    position: absolute;left:68px;z-index: 999;height: 100%;top:0;width:42px;
    opacity: 0;
}
.el-table__body-wrapper{
    overflow:visible
}
</style>

